/Engine/Source/Runtime/Landscape/Classes/LandscapeProxy.h
struct FGrassComp
TArray< FBox >
ExcludedBoxes
uint32
ExclusionChangeTag
TWeakObjectPtr<...
Foliage
FGrassCompKey
Key
uint32
LastUsedFrameNumber
double
LastUsedTime
bool
Pending
bool
PendingRemovalRebuild
TWeakObjectPtr<...
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